*{
    margin: 0;
    padding: 0;
}
.box{
    width: 100%;
    height: 350px;
    margin: 0 auto;
    background-color:rgb(243,243,243);
}
.left{
    margin-left: 50px;
    width: 200px;
    height: 249px;
    float: left;
}
.right{
    margin-left: 130px;
    width: 200px;
    height: 249px;
    float: left;
}
.bottom{
    float: left;
    margin-left: 490px;
    margin-top: 110px;
    width: 200px;
    height: 50px;
}
p{
    margin-top: 50px;
}